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1

Wednesday, April 3rd 2019, 10:14am

Commuter Aircraft Trials

The new founded Daily Air and some other chinese airlines are seeking entrants for a competitive fly-off evaluation for a commuter Aircraft.

The aircraft should have a crew of 2 men and having room for a capacity between 5 and 20 passengers and a luggage compartment. In order to have an increased security for the flight over the sea, for the purpose of the redundancy, a 2-engine airplane is prefered. Range is considered to be sufficient between 800 and 1500km. Due to the mission profile on unpaved island or mountain airfields, the aircraft must have STOL performance (Take-off to 15m: 300-400m / landing from 15m: 300-400m).

The tests will be held in a two-week evaluation at the Pescadores Islands and in a two-week evaluation on the Lhasa Airport. All companies wishing to tender should send at least two aiframes of each model (if one has the lower passenger capacity and the second has the higher capacity) offered. At the end of the evaluation the chinese airlines hope to place orders but also a license production in the chinese empire is part of the purchasing contract. Only the best performing aircrafts will be selected.

2

Wednesday, April 3rd 2019, 7:20pm

Mitsubishi Salesman: "We have this truly wonderful aircraft that will surely..."

Government Official: "OH NO YOU DON'T!!!" *beats up Mitsubishi salesman*

Beaten Up Mitsubishi Salesman: "Sorry... nothing in our inventory that will fit the bill."

Unfortunately the Sino-Japan relations are still too low for Japanese firms to make an offer.

3

Wednesday, April 3rd 2019, 9:40pm

Parador scripset...

Quoted

The aircraft should have a crew of 2 men and having room for a capacity between 5 and 20 passengers and a luggage compartment. In order to have an increased security for the flight over the sea, for the purpose of the redundancy, a 2-engine airplane is prefered. Range is considered to be sufficient between 800 and 1500km. Due to the mission profile on unpaved island or mountain airfields, the aircraft must have STOL performance.


Could you please define "STOL performance" in terms of minimum take off distance and/or maximum landing distance? The Yugoslav IK-4 *could* meet the minimum requirements depending upon how you define "STOL performance".

4

Thursday, April 4th 2019, 3:15pm

Argentina has no suitable types to offer.

From Belgium, Renard offers the R.45.
It has capability to operate from grass fields but is not a specialist STOL type.

Crew: 3
Capacity: up to 48 passengers or cargo (has rear clamshell loading doors)
Wingspan: 35.05 m (115 ft 0 in)
Length: 24.99 m (82 ft 0 in)
Height: 5.74 m (18 ft 10 in)
Wing area: 111.48 m² (1,200 ft²)
Empty weight: 16,047 kg (35,377 lb)
Loaded weight: 23,814 kg (52,500 lb)
Powerplant: two 2,375hp Minerva Condor II 24-cylinder radials
Maximum speed: 502 km/h (312 mph)
Cruise speed: 418 km/h (260 mph)
Range: 885 km (550 miles)


From the Netherlands, Fokker could offer the F.123 amphibian flyingboat. A licence for licenced-production is not very likely however.
Crew: 3
Capacity: 18 or up to 2270 kg (5,000 lbs) cargo
Wingspan: 20.3 m (66 ft 7 in)
Length: 14.7 m (48 ft 3 in)
Height: 5.72 m (18 ft 9 in)
Empty weight: 4150 kg (9,150 lb)
Max take-off weight: 6500 kg (14,330 lb)
Powerplant: 2× 1,230hp Junkers Motorenbau Jumo 208C 12-cyl diesel engines
Maximum speed: 362 km/h (225 mph)
Cruising speed: 29 km/h (183 mph)
Service ceiling: 8685 m (28,500 ft)
Rate of climb: 6.9 m/s (1,350 ft/min)
Range: 2285 km (1,420 miles)


Australia could offer the DHA-3 Drover. They might be amenable to licence-production but de Havilland would insist on all engines being brought from the UK.
Crew: 1
Capacity: 8-9 passengers
Length: 37 ft 0 in (11.28 m)
Wingspan: 57 ft 0 in (17.39 m)
Height: 10 ft 9 in (3.28 m)
Wing area: 325 sq ft (30.23 m²)
Empty weight: 4,000 lb (1,815 kg)
Max. takeoff weight: 6,500 lb (2,950 kg)
Powerplant: 3 × de Havilland Gipsy Major Mk-10 4-cylinder inverted inline engine, 145 hp (108 kW) each
Maximum speed: 137 knots (157 mph, 253 km/h)
Cruise speed: 108 knots (125 mph, 201.4 km/h)
Range: 890 miles (780 nm, 1450 km)
Rate of climb: 800ft/min (4.06m/s)
Wing loading: 20 lb/ft² (97.59 kg/m²)
Power/mass: 0.067 hp/lb (109.83 W/kg)

From Britain
de Havilland could offer either the DH.104 Dove or DH.114 Heron. Licence-production would not be possible at this time, but as a large manufacturer I'm sure DH could accommodate any size of order.
DH.104
Crew: two
Capacity: 8 passengers
Length: 39 ft 3 in (11.96 m)
Wingspan: 57 ft 0 in (17.40 m)
Height: 13 ft 4 in (4.06 m)
Wing area: 335 sq ft[60] (31.1 m²)
Empty weight: 6,325 lb (2,869 kg)
Max. takeoff weight: 8,950 lb (4,060 kg)
Powerplant: 2 × de Havilland Gipsy Queen 70 Mk 3 6-cylinder in-line inverted air-cooled engine, 400 bhp (289 kW) each
Maximum speed: 230 mph (200 knots, 370 km/h)
Cruise speed: 187 mph (163 knots, 301 km/h) at 8,000 ft (2,440 m) (econ cruise)
Stall speed: 74 mph (64 knots, 119 km/h)
Range: 880 mi (765 nm, 1,415 km)
Service ceiling: 21,700 ft (6,610 m)
Rate of climb: 1,135 ft/min (5.8 m/s)

DH.114
Crew: two
Capacity: 14 passengers
Length: 48 ft 6 in (14.79 m)
Wingspan: 71 ft 6 in (21.80 m)
Height: 15 ft 7 in (4.75 m)
Wing area: 499 ft² (46.4 m²)
Empty weight: 8,150 lb (3,705 kg)
Max. takeoff weight: 13,500 lb (6,136 kg)
Powerplant: 4 × de Havilland Gipsy Queen 30 Mk.2 6-cylinder inverted inline air-cooled piston engine, 250 hp (186 kW) each
Cruise speed: 159 kn (183 mph, 295 km/h)
Range: 795 nmi (915 mi, 1,473 km)
Service ceiling: 18,500 ft (5,600 m)
Rate of climb: 1,140 ft/min (5.8 m/s)

Percival could offer the P.50 Prince.
Crew: two
Capacity: 8 passengers
Length: 46 ft (14.02 m)
Wingspan: 64 ft 6 in (19.66 m)
Height: 16 ft (4.9 m)
Empty weight: 9,961 lb (4,400 kg)
Max. takeoff weight: 13,489 lb (6,124 kg)
Powerplant: 2 × Alvis Leonides 3 9-cylinder supercharged radial piston engines, 540 hp (410 kw) each
Maximum speed: 186 mph (300 km/h)
Range: 1,012 nm (1,850 km)
Service ceiling: 7,680 m (22,000 ft)

5

Thursday, April 4th 2019, 4:40pm

The Chileans would love to offer the Constelación Twin Condor, which - near as I can tell, meets all of the specs, especially the STOL performance. It has a decent service history in South American service. Constelación wanted to offer it for license-production in Australia, but since that doesn't seem to be panning out, China might perhaps be a market...

Quoted

Constelación Twin Condor, Serie-400 or Serie-425 Utility Aircraft
General characteristics
- Crew: 2+
- Passengers: 20
- Length: 52 feet
- Wingspan: 65 feet
- Height: 17.5 feet
- Wing area: 422 ft²
- Empty weight: 6,500 pounds
- Loaded weight: 11,750 pounds
- Powerplant: 2 × 715hp FMA radials (or 650shp Austral Malacara A2 turboprops)

Performance:
- Maximum speed: 180 knots (207 mph / 333 kph)
- Max Range: 900 miles
- Service ceiling: 7,500 meters / 24,600 feet
- Rate of climb: 7.5 ft/s (2.29 m/s)